From 7cb4a1129084955f4becf687bbb3f31dcaef92cc Mon Sep 17 00:00:00 2001
From: eruca <nickwill1984@126.com>
Date: Thu, 16 May 2019 22:33:15 +0800
Subject: [PATCH] =?UTF-8?q?onDragEnter=E7=9A=84=E5=87=BD=E6=95=B0=E5=AE=9A?=
 =?UTF-8?q?=E4=B9=89=E7=BC=BA=E5=B0=91=E4=B8=80=E4=B8=AAexpandedKeys:strin?=
 =?UTF-8?q?g[]=3F?=
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官方的示例里有expandedKeys, 可是typescript定义里没有，所以扩展一下
---
 components/tree/Tree.tsx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/components/tree/Tree.tsx b/components/tree/Tree.tsx
index 33d228623a05..0492b7337d2c 100644
--- a/components/tree/Tree.tsx
+++ b/components/tree/Tree.tsx
@@ -72,6 +72,10 @@ export interface AntTreeNodeMouseEvent {
   event: React.MouseEventHandler<any>;
 }
 
+export interface AntTreeNodeDragEnterEvent extends AntTreeNodeMouseEvent {
+  expandedKeys: string[];
+}
+
 export interface AntTreeNodeDropEvent {
   node: AntTreeNode;
   dragNode: AntTreeNode;
@@ -135,7 +139,7 @@ export interface TreeProps {
   /** 设置节点可拖拽（IE>8）*/
   draggable?: boolean;
   onDragStart?: (options: AntTreeNodeMouseEvent) => void;
-  onDragEnter?: (options: AntTreeNodeMouseEvent) => void;
+  onDragEnter?: (options: AntTreeNodeDragEnterEvent) => void;
   onDragOver?: (options: AntTreeNodeMouseEvent) => void;
   onDragLeave?: (options: AntTreeNodeMouseEvent) => void;
   onDragEnd?: (options: AntTreeNodeMouseEvent) => void;